a-a a-i a-t aaa aai aar aas aat aau aax ai- aia aii air ais ait aiu aix ar- ara ari arr ars art aru arx as- asa asi asr ass ast asu asx at- ata ati atr ats att atu atx au- aua aui aur aus aut aux ax- axa axi axr axs axt axx ia- iaa iai iar ias iat iau iia iii iir iis iit iiu iix ir- ira iri irr irs irt iru irx is- isa isi isr iss ist isu ita iti its itt itu itx iu- iua iui iur ius iut ixi ra- raa rai rar ras rat rau rax ria rii rir ris rit rix rra rri rrr rrs rrt rru rsa rsi rsr rss rst rsu rsx rta rti rtr rts rtt rtu rtx rua rui rur rus rut ruu rux rxr rxs saa sai sar sas sat sau sax sia sii sir sis sit siu six sr- sra sri srr srs srt srx ss- ssa ssi ssr sss sst ssu ssx sta sti str sts stt stu stx sua sui sur sus sut suu sux sxi sxs sxt sxu t-x taa tai tar tas tat tau tax tia tii tir tis tit tiu tix tra tri trr trs trt tru trx tsa tsi tsr tss tst tsu tsx tta tti ttr tts ttt ttu ttx tua tui tur tus tut tuu tux txi txs txt txu ua- uaa uai uar uas uat uau uia uii uir uis uit uiu ur- ura uri urr urs urt uru urx usa usi usr uss ust usu usx uta uti utr uts utt utu utx uua uur uus uut uuu uxr uxt uxu xaa xar xas xat xau xia xii xis xit xiu xix xrt xrx xsa xsi xss xst xti xtr xts xtx xui xus xxi xxx